Alveolitis, Extrinsic Allergic (also known as Allergic Alveolitis, Extrinsic, Allergic Alveolitides, Extrinsic): A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The dis
A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis.
MeSH classification
C08.381.483.125
C08.674.055
C20.543.480.680.075
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Common questions about Alveolitis, Extrinsic Allergic
What does Alveolitis, Extrinsic Allergic mean in medicine?
A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Alveolitis, Extrinsic Allergic known by any other names?
Yes. Alveolitis, Extrinsic Allergic is also referred to as Allergic Alveolitis, Extrinsic, Allergic Alveolitides, Extrinsic, Alveolitides, Extrinsic Allergic, Extrinsic Allergic Alveolitides in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Alveolitis, Extrinsic Allergic sit in the medical classification?
Alveolitis, Extrinsic Allergic falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C08.381.483.125, C08.674.055, C20.543.480.680.075). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Alveolitis, Extrinsic Allergic?
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